clangDaemon: Update libdeps in r308738.

llvm-svn: 308807
GitOrigin-RevId: 3545ee5f3f4b385cfef109006ec9d58f6a9663e7
diff --git a/clangd/CMakeLists.txt b/clangd/CMakeLists.txt
index 446ce54..7adab7c 100644
--- a/clangd/CMakeLists.txt
+++ b/clangd/CMakeLists.txt
@@ -21,6 +21,7 @@
   clangIndex
   clangLex
   clangSema
+  clangSerialization
   clangTooling
   clangToolingCore
   ${LLVM_PTHREAD_LIB}